[asterisk-bugs] [JIRA] (ASTERISK-23812) One Way Audio on REFER with Jitterbuffer On

[Rusty Newton (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-23812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=222420#comment-222420 ] 

Rusty Newton commented on ASTERISK-23812:
-----------------------------------------

I tested on SVN-branch-11-r421977 and found no issue.

To keep things simple I used three phones, 6001,6002 and 6004.

My dialplan looks like:

{noformat}
exten => 6002,1,Set(JITTERBUFFER(fixed)=200)
same => n,Dial(SIP/6002)
exten => 6004,1,Dial(SIP/6004)
{noformat}

6001 calls 6002, 6002 transfers (with REFER) to 6004. 6004 answers, both parties can hear each other speak.

Can you provide the additional debug requested and try to reproduce with a similar scenario to see if there is an additional element required that I'm missing?

> One Way Audio on REFER with Jitterbuffer On
> -------------------------------------------
>
>                 Key: ASTERISK-23812
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23812
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/Transfers
>    Affects Versions: 11.3.0, 11.9.0
>            Reporter: JoshE
>            Assignee: Rusty Newton
>            Severity: Critical
>         Attachments: 226answer_atttransto_525.pcap
>
>
> We are seeing one way audio on transferred calls with the jitterbuffer running.  This affects ALL versions of Asterisk 11 from 11.3 to 11.9.
> Inbound external call treated with:
> Set(JITTERBUFFER(fixed)=200)
> Answered by a SIP extension on Asterisk.  This is transferred to another SIP extension on the same PBX.  When the transfer is completed, and this can be either attended or blind, you will have one way audio.  The internal party's audio makes it out to the original inbound call, but the person to whom the call was tranferred cannot hear.
> Turning off the jitterbuffer 100% resolves the issue.  This could possibly be related to ASTERISK-21144.



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